// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

mixin M {
  String fn() {
    return 'goodbye';
  }
}

/** DIFF **/
/*
 
 mixin M {
   String fn() {
-    return 'hello';
+    return 'goodbye';
   }
 }
*/
